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2 096 438

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C1

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IPC

(21) (22)

Application

94015394/03, 1994-04-27

(22)

Actual filing date

1994-04-27

(45)

Published

1997-11-20

(72)

Inventor

Lebedev N.A.Tuzova V.B.Tudrij G.A.Trofimov L.V.Merechina M.M.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Neftepromyslovoj Khimii

COMPOSITION FOR DESTRUCTING AQUEOUS OIL EMULSION, PROTECTION OF OIL PRODUCTION EQUIPMENT FROM CORROSION AND PREVENTION OF ASPHALTENE-RESIN-PARAFFIN DEPOSITIONS (VARIANTS) Russian patent published in 1997 - IPC

Abstract RU 2096438 C1

FIELD: oil and oil production industries. SUBSTANCE: composition comprises surfactant such as block copolymer of ethylene and propylene oxides 30-70 wt % and deemulsifier which represents 50 % solution of oxyethylated alkylphenoldioxane resin in aromatic solvent. Composition may comprise solvent at surfactant of block copolymer of ethylene and propylene oxides, 15-35 wt. -% and deemulsifier, 15-35 wt.-%. EFFECT: improved properties of the composition. 3 cl, 8 tbl

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RU 2 096 438 C1

Authors

Lebedev N.A.

Tuzova V.B.

Tudrij G.A.

Trofimov L.V.

Merechina M.M.

Dates

1997-11-20—Published

1994-04-27—Filed

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